VDB-9749 · SQUID-2011_2 · OSVDB 95676

Squid Proxy up to 3.2.0.10 NCSA Authentication Helper improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Squid Proxy up to 3.2.0.10. It has been classified as critical. This vulnerability affects unknown code of the component NCSA Authentication Helper. The manipulation leads to improper authentication. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Squid Proxy up to 3.2.0.10 (Firewall Software). This issue affects an unknown code block of the component NCSA Authentication Helper. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, and integrity.

The weakness was shared 08/27/2011 by Gaiar Mukhetdinov (Indarien) as SQUID-2011_2 as not defined advisory (Website). The advisory is shared at squid-cache.org. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading to version 3.2.0.11 eliminates this vulnerability. The upgrade is hosted for download at squid-cache.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (95676†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Proxy 3.2.0.11

Timelineinfo

08/27/2011 🔍
08/27/2011 +0 days 🔍
08/27/2011 +0 days 🔍
07/29/2013 +702 days 🔍
11/23/2018 +1943 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: SQUID-2011_2
Researcher: Gaiar Mukhetdinov (Indarien)
Status: Not defined

GCVE (VulDB): GCVE-100-9749
OSVDB: 95676

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/29/2013 14:39
Updated: 11/23/2018 10:47
Changes: 07/29/2013 14:39 (49), 11/23/2018 10:47 (2)
Complete: 🔍
Committer: olku
Cache ID: 216:C87:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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